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1C31219G01
1C31219G01
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厦门泰尼电气有限公司
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食品的冷冻、冷藏要使用冷冻机，因而在食品行业，制冷机的使用非常普及，其制冷机机的控制正越来越多地采用变频器。 一、变频器使用的目的
对制冷机内的压缩机采用变频控制（压缩机能力可变控制），可以使制冷机对于冷冻负载的变动始终以接近设计条件的*率进行运行。这就是将变频器应用于冷冻压缩机的主要目的。变频器控制制冷机的主要优点如下
(1) 节能 相应于冷却负载的变化改变压缩机转速，使其始终运行在良好点。从而减少所需动力。
(2) 恒温 采用连续的容量控制可使冷藏品温度变化很小。另外，即使对于临时的冷却负载增加，也可以依靠迦速来减小冷藏品的温度变化。
(3) 冷冻能力的改善 密闭式电机直接连接的压缩机在50hz地区的能力只有60hz地区的80%，而变频器控制则可以做到与电源频率无关，始终保持一定的能力。
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